CN114653817A

CN114653817A - Mould is used in conductive contact piece production

Info

Publication number: CN114653817A
Application number: CN202210431559.4A
Authority: CN
Inventors: 袁卫兵; 陈知如; 李帆顺; 冉光玲; 黎金刚
Original assignee: YUEQING TONGDA WIRE ELECTRIC FACTORY
Current assignee: YUEQING TONGDA WIRE ELECTRIC FACTORY
Priority date: 2022-04-23
Filing date: 2022-04-23
Publication date: 2022-06-24
Anticipated expiration: 2042-04-23
Also published as: CN114653817B

Abstract

The application relates to a mold for producing conductive contact pieces, which relates to the technical field of molds and comprises an upper mold and a lower mold, wherein a containing groove is formed in the upper surface of the lower mold, a feeding block is horizontally and slidably connected in the containing groove, a feeding hole for silver wires to pass through is arranged on the feeding block in a penetrating manner, a supporting block is fixedly connected to the upper end of the lower mold, and a supporting hole aligned with the feeding hole is arranged on the supporting block in a penetrating manner; the feeding hole is internally provided with a clamping mechanism for clamping the silver wire, the supporting hole is internally provided with a retaining mechanism for limiting the silver wire to return, and a driving piece for driving the supporting block to horizontally move is arranged between the upper die and the lower die. Through the reciprocating sliding of driving piece control pay-off piece, utilize fixture to press from both sides tightly or loosen the silver silk simultaneously, realize the automatic pay-off of silver silk, can reduce production personnel's work burden, can improve production efficiency again.

Description

Mould is used in conductive contact production

Technical Field

The application relates to the field of molds, in particular to a mold for producing conductive contact pieces.

Background

The conductive contact is an important component in an electrical device and is mainly used for realizing the on-off of a circuit.

The conductive contact plate in the related art generally includes a conductive plate and a contact embedded in the conductive plate, when the conductive contact plate needs to be produced, a copper plate and a silver wire are respectively placed between an upper die and a lower die, then the upper die is driven by a punching machine to move, the upper die and the lower die are made to reciprocate to perform die separation and die assembly, and the copper plate is pulled to advance and perform feeding operation.

At this time, the punch block of the upper die punches the copper plate into the guide hole, and the hole-cutting block of the upper die punches the copper plate into the fitting hole, and then the cut block of the upper die cuts the silver wire and forms the silver pillar. When the upper die and the lower die are matched, the guide post of the upper die can be inserted into the guide hole, so that the copper plate is limited.

And then, riveting the silver column by the riveting block of the upper die and embedding the silver column into the assembly hole, and then rounding the silver column by the leveling block of the upper die. And finally, cutting off the copper plate by a cutting-off tool, and collecting finished conductive contact pieces to realize the production of the conductive contact pieces.

Aiming at the related technologies, the silver wires are fed manually, so that the automation degree is low, the production efficiency is influenced, and the improvement is needed.

Disclosure of Invention

In order to improve production efficiency, the application provides a mould is used in conductive contact production.

The application provides a mould for conductive contact piece production adopts following technical scheme:

a mold for producing conductive contact pieces comprises an upper mold and a lower mold, wherein a containing groove is formed in the upper surface of the lower mold, a feeding block is connected to the containing groove in a horizontal sliding mode, a feeding hole for silver wires to penetrate through is formed in the feeding block in a penetrating mode, a supporting block is fixedly connected to the upper end of the lower mold, and a supporting hole aligned with the feeding hole is formed in the supporting block in a penetrating mode; a clamping mechanism for clamping the silver wire is arranged in the feeding hole, a backstop mechanism for limiting the withdrawal of the silver wire is arranged in the supporting hole, and a driving piece for driving the supporting block to horizontally move is arranged between the upper die and the lower die; when the feeding block slides towards the direction far away from the supporting block, the clamping mechanism can clamp the silver wire, and when the feeding block slides towards the supporting block, the clamping mechanism can release the silver wire.

Through adopting above-mentioned technical scheme, when driving piece control pay-off piece orientation was kept away from the direction of supporting shoe and is slided, fixture presss from both sides tight silver silk to make silver silk follow pay-off piece synchronous motion, and then realize the pay-off of silver silk. When the driving piece controls the feeding block to slide towards the supporting block, the silver wire is loosened by the clamping mechanism, and the stopping mechanism limits the silver wire. At the moment, the clamping mechanism and the silver wire slide relatively, then the clamping mechanism and the feeding block reset, and the reciprocating operation is carried out, so that the automatic continuous feeding operation of the silver wire is realized. Through the reciprocating sliding of driving piece control pay-off piece, utilize fixture to press from both sides tightly or loosen the silver silk simultaneously, realize the automatic pay-off of silver silk, can reduce production personnel's work burden, can improve production efficiency again. Meanwhile, stable feeding and accurate feeding of the silver wires can be achieved through the design, so that the feeding length of the silver wires at each time can be as same as possible, and the production consistency of products is improved.

Optionally, the clamping mechanism includes: the clamping pipe horizontally penetrates through the feeding hole in a sliding mode and is used for silver wires to penetrate through; the clamping block is fixed at one end, far away from the supporting block, of the clamping pipe, a clamping hole for the silver wire to pass through is formed in the clamping block, and the clamping hole is communicated with the clamping pipe; the mounting holes are arranged in a plurality and respectively penetrate through the clamping blocks, and the mounting holes are uniformly distributed along the circumferential direction of the clamping blocks; the clamping columns are arranged and movably arranged in the corresponding mounting holes respectively, and the circumferential side walls of the clamping columns are used for abutting against the silver wires; the control spring is arranged in the feeding hole and is used for driving the clamping pipe to move towards the direction far away from the clamping block; the clamping block is in a round table shape, the clamping block is close to the radius of one side of the clamping pipe is smaller than the radius of the other side of the clamping pipe, a tightening groove matched with the clamping block is formed in the port of the feeding hole, and the circumferential side wall of the clamping column can be abutted to the inner wall of the tightening groove.

Through adopting above-mentioned technical scheme, when the pay-off piece slided towards the direction of keeping away from the supporting shoe, the grip block drove grip pipe simultaneous movement under the butt of tightening up the inslot wall. At the moment, the clamping column increasingly abuts against the silver wire under the abutting of the inner wall of the tightening groove, so that the silver wire is clamped, and then the silver wire can be pulled to move by the clamping block. When the pay-off piece slides towards the direction of supporting shoe, the grip block has the trend of following the roll-off in tightening up the groove, and simultaneously, the lateral wall of centre gripping post has the trend of separating with the inner wall that tightens up the groove to make the centre gripping post loosen the silver silk. Then, the clamping tube drives the clamping block to reset under the action of the control spring, and the feeding operation of the silver wires can be realized by reciprocating. Through the fixture who sets up structure ingenious, simple operation, realize the quick centre gripping of silver silk with relax, and then realize the quick pay-off of silver silk and stabilize the pay-off, and then improve feeding mechanism's stability in use. Simultaneously, when driving piece control pay-off piece reciprocating sliding, a plurality of centre gripping posts can self-holding or loosen the silver-colored silk, can save the driving source, can improve the linkage nature between each part again, can also improve the utilization efficiency of resources.

Optionally, the driving member includes a driving rod vertically fixed to the bottom of the upper die, a driving block fixed to a side wall of the feeding block, a driving inclined plane disposed on the side wall of the driving block, and a driving spring disposed in the accommodating groove, the driving inclined plane is used for abutting against a lower end of the driving rod, the feeding block can move in a direction away from the supporting block under the combined action of the driving inclined plane and the driving rod, and the driving spring is used for controlling the driving block to move towards the supporting block.

Through adopting above-mentioned technical scheme, when going up mould and lower mould and carrying out the compound die, go up the mould and drive actuating lever downstream, at this moment, the pay-off piece moves towards the direction of keeping away from the supporting shoe under the combined action of drive inclined plane and actuating lever. When the upper die and the lower die are separated, the upper die drives the driving rod to move upwards, and at the moment, the feeding block resets under the elastic action of the driving spring. Through setting up simple structure, simple operation, the stable driving piece of drive effect, realize the steady motion of pay-off piece, and then realize the stable pay-off of silver silk. Meanwhile, when the upper die and the lower die are separated and closed, the feeding block can automatically reciprocate, so that a driving source can be saved, the linkage between each part can be improved, and the resource utilization efficiency can be improved.

Optionally, a guide inclined plane is arranged at the lower end of the driving rod, the guide inclined plane is abutted by the driving inclined plane, and the guide inclined plane is matched with the driving inclined plane.

Through adopting above-mentioned technical scheme, through setting up the direction inclined plane, improve the direction effect to actuating lever and drive block to improve the motion ride comfort of drive block and pay-off piece, and then improve stability in use.

Optionally, the retaining mechanism includes: the anti-return pipe is horizontally and slidably arranged in the supporting hole and is used for the silver wire to pass through; the retaining block is fixed at one end, close to the clamping pipe, of the retaining pipe, a retaining hole for the silver wire to pass through is formed in the retaining block, and the retaining hole is communicated with the retaining pipe; the abdicating holes are arranged in a plurality and respectively penetrate through the retaining block, and the abdicating holes are uniformly distributed along the circumferential direction of the retaining block; the retaining columns are arranged and movably arranged in the corresponding abdicating holes respectively, and the circumferential side walls of the retaining columns are used for abutting the silver wires; the adjusting spring is arranged in the supporting hole and is used for driving the retaining pipe to move towards the direction far away from the retaining block; wherein, the stopping piece is the round platform form, the stopping piece is close to the radius of centre gripping pipe one side is less than the radius of its opposite side, the port department in stopping hole be provided with the receipts that the stopping piece agrees with mutually restraint the groove, the circumference lateral wall of stopping post can with the inner wall butt in receipts bundle groove.

Through adopting above-mentioned technical scheme, when the silver-colored silk carries out the pay-off, the stopping piece has the trend from receiving the groove roll-off under the drive of silver-colored silk, and at this moment, the lateral wall of stopping post has the trend of separation with the inner wall of receiving the groove to make a plurality of stopping posts loosen the silver-colored silk, and then make the silver-colored silk can steady pay-off. When the silver silk received to pull, the stopping post supported the silver silk increasingly under the butt of binding up inslot wall to the realization is tight to the clamp of silver silk, and then realizes the stopping effect to the silver silk. Through setting up the stopping mechanism that the structure is ingenious, the simple operation, realize the quick clamping to the silver-colored silk with relax to realize the quick stopping of silver-colored silk, and then improve feeding mechanism's stability in use.

Optionally, when the retaining block extends out of the retraction groove, the retaining block can push the clamping tube to slide.

Through adopting above-mentioned technical scheme, when needs take out silver silk from stopping pipe and centre gripping pipe, promote the pipe that stops and drive the motion of stopping piece, then the stopping piece promotes the centre gripping pipe and drives the motion of centre gripping piece. When the end part of the retaining block extends out of the tightening groove and the end part of the clamping block extends out of the tightening groove, the silver wire can be loosened, and then the silver wire can be pulled out. Because the stopping block can push the clamping pipe to slide, a user only needs to push the stopping pipe, and the synchronous motion of the stopping block and the clamping block can be realized, so that the operation convenience can be improved, and the working efficiency can be improved.

Optionally, one side that the lower mould is located its discharge end is fixed with the support frame, the lateral wall horizontal sliding connection of support frame has the material piece of drawing, the vertical sliding connection of lateral wall that draws the material piece has the clamp piece, two the clamp piece is used for pressing from both sides tight copper, go up the mould with be provided with pipe controlling part and control between the lower mould, the pipe controlling part is used for control draw material piece horizontal motion, the control is used for driving two the clamp piece is close to each other or keeps away from.

Through adopting above-mentioned technical scheme, when needs carry out the pay-off operation to the copper, be close to each other through two clamp pieces of control drive to make two clamp pieces press from both sides tight copper jointly. Subsequently, the material pulling block is driven by the control piece to drive the two material clamping blocks to move towards the direction far away from the lower die, and then the two material clamping blocks can pull the copper plate to move together. The design can realize the automatic feeding operation of the copper plate, can reduce the workload of production personnel, and can improve the production efficiency.

Optionally, the management and control piece including be fixed in go up the management and control piece of mould lateral wall, set up in the management and control inclined plane of management and control piece lateral wall and set up in the lower mould with draw the management and control spring between the piece, draw the piece confession the management and control inclined plane butt, work as when going up the mould upward movement, draw the piece can be in keep away from towards under the effect on management and control inclined plane the direction motion of lower mould, the management and control spring is used for control draw the piece orientation the lower mould motion.

Through adopting above-mentioned technical scheme, when going up mould and lower mould and dividing the mould, go up the mould and drive the management and control piece upward movement, at this moment, draw the material piece to move towards the direction of keeping away from the lower mould under the promotion on management and control inclined plane. When last mould and lower mould carry out the compound die, go up the mould and drive the management and control piece downstream, at this moment, draw the material piece and move and reset towards the lower mould under the spring action of management and control spring. Through setting up simple structure, simple operation, the stable management and control spare of drive effect, realize pulling the rapid stabilization motion of material piece to realize the stable pay-off of copper, and then improve production efficiency. Meanwhile, when the upper die and the lower die are subjected to die splitting and die assembling, the material pulling block can automatically reciprocate, so that a driving source can be saved, the linkage between each part can be improved, and the resource utilization efficiency can be improved.

Optionally, the control member comprises: the control block is provided with two side walls which are respectively fixed on the support frame; the two control inclined planes are respectively positioned on the corresponding control blocks, the control inclined planes are positioned at one end, close to the lower die, of each control block, the two control inclined planes are positioned on one side of the lower die and are far away from each other, and the control inclined planes are used for the corresponding material clamping blocks to abut against; the two return springs are respectively positioned between the support frame and the corresponding control block and can control the two material clamping blocks to be away from each other; the two return inclined planes are respectively positioned on the corresponding control blocks, the return inclined planes are positioned at one ends, far away from the lower die, of the control blocks, the two return inclined planes are positioned at one sides of the lower die and are close to each other, and the return inclined planes are used for the corresponding material clamping blocks to abut against; the two reset inclined planes are arranged and are respectively positioned on the corresponding control blocks, the reset inclined planes are positioned on the sides, far away from each other, of the two control blocks, the two reset inclined planes are positioned on the sides, far away from each other, of the lower die, and the reset inclined planes are used for the corresponding clamping blocks to abut against; when the return spring is in a relaxed state, the clamping blocks can be abutted against the corresponding control inclined planes, and the clamping blocks can be separated from the corresponding return inclined planes.

By adopting the technical scheme, when the material pulling block drives the two material clamping blocks to move towards the direction far away from the lower die, the two material clamping blocks are close to each other under the action of the corresponding control inclined planes. When the two material clamping blocks respectively abut against the copper plate, the two material clamping blocks are respectively separated from the corresponding control inclined planes, and the two return springs are respectively in a stretching state. With the continuous movement of the pulling block, the two material clamping blocks respectively slide along the corresponding control blocks, and the two material clamping blocks jointly pull the copper plate to move. When the copper plate moves to a station, the two material clamping blocks move along the corresponding return inclined planes respectively under the pulling of the corresponding return springs, and then the two material clamping blocks are separated from the corresponding return inclined planes respectively. When the material pulling block drives the two material clamping blocks to move towards the lower die, the two material clamping blocks slide along the corresponding reset inclined planes, and the two reset springs are respectively in a compressed state. When the pulling block and other components are reset, the two clamping blocks are separated from the corresponding reset inclined planes respectively, and the two clamping blocks are close to each other and reset under the action of the elastic force of the corresponding reset springs, so that the two clamping blocks are abutted against the corresponding control inclined planes again, and the reciprocating motion of the two clamping blocks can be realized. Through setting up the ingenious, the stable control of drive effect of structure, realize the quick motion of two clamp material pieces to improve the pay-off stability of copper. Simultaneously, when the in-process of drawing the horizontal reciprocating motion of material piece, two clamping blocks can be close to each other or keep away from automatically, can save the driving source, can improve the linkage effect between each part again, can also improve the utilization efficiency of resources.

Optionally, positioning columns are respectively fixed to one sides of the two material clamping blocks, which are close to each other, and the two positioning columns can be jointly inserted into the guide holes of the copper plate.

Through adopting above-mentioned technical scheme, when two clamp splice pressed from both sides tight copper jointly, two reference columns insert in the guiding hole respectively to the realization is spacing to the copper. When two clamp material pieces horizontal motion, two clamp material pieces can stimulate the copper steady motion, reduce the risk that the copper appears skidding, and then improve the pay-off stability to the copper.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reciprocating sliding of the feeding block is controlled by the driving piece, and the silver wire is clamped or loosened by the clamping mechanism, so that the automatic feeding of the silver wire is realized, the workload of production personnel can be reduced, and the production efficiency can be improved;

2. by arranging the driving piece with simple structure, convenient operation and stable driving effect, the feeding block can automatically reciprocate in the process of die splitting and die assembly of the upper die and the lower die, so that a driving source can be saved, the linkage between each part can be improved, and the resource utilization efficiency can be improved;

3. two clamp material pieces are driven by the control piece to be close to each other, the two clamp material pieces are enabled to clamp the copper plate together, then the control piece drives the pull material pieces to drive the two clamp material pieces to move towards the direction far away from the lower die, the two clamp material pieces can pull the copper plate together to move, automatic feeding operation of the copper plate is achieved, work burden of production personnel can be reduced, and production efficiency can be improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial cross-sectional view of an upper die in an embodiment of the present application.

Fig. 3 is a partial sectional view of the lower die in the embodiment of the present application.

Fig. 4 is a partial cross-sectional view of a feedblock in an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a driving member in the embodiment of the present application.

FIG. 6 is a partial cross-sectional view of a support block in an embodiment of the present application.

Fig. 7 is an enlarged schematic view of region a in fig. 6.

Fig. 8 is an enlarged schematic view of the region B in fig. 6.

Fig. 9 is a schematic structural view of the upper die and the lower die when the upper die and the lower die are separated in the embodiment of the present application.

Fig. 10 is an enlarged schematic view of region C in fig. 9.

Fig. 11 is a schematic structural diagram of a control member in the embodiment of the present application.

Description of reference numerals: 1. an upper die; 2. a lower die; 3. accommodating grooves; 4. a feeding block; 5. a feed hole; 6. a clamping mechanism; 61. clamping the tube; 62. a clamping block; 63. mounting holes; 64. a clamping post; 65. tightening the groove; 66. a control spring; 67. a clamping hole; 7. a drive member; 71. a drive block; 72. a drive rod; 73. a drive ramp; 74. a guide slope; 75. a drive spring; 8. a support block; 9. a support hole; 10. a backstop mechanism; 101. a withdrawal stopping tube; 102. a backstop block; 103. a hole of abdication; 104. a backstop post; 105. a bundling groove; 106. adjusting the spring; 107. a backstop hole; 11. mounting grooves; 12. a mounting ring; 13. a support groove; 14. a support ring; 15. a support frame; 16. pulling a material block; 17. a tube control; 172. a management and control block; 173. managing and controlling an inclined plane; 174. a control spring; 18. a material clamping block; 19. a control member; 191. a control block; 192. controlling the inclined plane; 193. a return spring; 194. a return inclined plane; 195. resetting the inclined plane; 20. and a positioning column.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses mould is used in conductive contact production. Referring to fig. 1 and 2, the mold for producing the conductive contact piece comprises an upper mold 1 and a lower mold 2, a holding tank 3 is arranged on the upper surface of the lower mold 2, and a feeding block 4 is connected to the inside of the holding tank 3 in a horizontal sliding manner.

Referring to fig. 3 and 4, a feeding hole 5 for the silver wire to pass through is horizontally formed in the feeding block 4, a clamping mechanism 6 for clamping the silver wire is arranged in the feeding hole 5, and a driving piece 7 for driving the supporting block 8 to horizontally move is arranged between the upper die 1 and the lower die 2.

Referring to fig. 3 and 4, a supporting block 8 is fixedly connected to the upper end of the lower die 2, a supporting hole 9 is horizontally formed in the supporting block 8 in a penetrating manner, the supporting hole 9 is aligned with the feeding hole 5, and the supporting hole 9 is used for the silver wire to pass through. Meanwhile, a retaining mechanism 10 for limiting the retraction of the silver wire is arranged in the supporting hole 9, so that the risk of the silver wire falling out of the supporting hole 9 is reduced.

When the silver wire needs to be fed, the feeding block 4 is controlled by the driving piece 7 to slide towards the direction far away from the supporting block 8, and at the moment, the clamping mechanism 6 clamps the silver wire tightly, so that the silver wire can move synchronously along with the feeding block 4, and the feeding operation of the silver wire is realized.

When the driving piece 7 controls the feeding block 4 to slide towards the supporting block 8, the clamping mechanism 6 loosens the silver wire, and the retaining mechanism 10 limits the silver wire. At the moment, the clamping mechanism 6 and the silver wire slide relatively, then the clamping mechanism 6 and the feeding block 4 reset, and the continuous feeding operation of the silver wire can be realized by reciprocating.

Referring to fig. 2 and 5, the driving member 7 includes a driving block 71 integrally formed on a side wall of the feeding block 4, a driving rod 72 is fixedly connected vertically to the bottom of the upper die 1, and the driving rod 72 is located above the driving block 71. Meanwhile, a driving inclined surface 73 is integrally formed on a side wall of the driving block 71, a guide inclined surface 74 capable of abutting against the driving inclined surface 73 is integrally formed at a lower end portion of the driving rod 72, and the guide inclined surface 74 is fitted with the driving inclined surface 73.

Referring to fig. 2 and 5, a driving spring 75 is disposed in the receiving groove 3, one end of the driving spring 75 is fixedly connected with the driving block 71, and the other end is fixedly connected with the corresponding inner wall of the receiving groove 3, and the driving spring 75 is used to control the driving block 71 to move toward the supporting block 8.

When the upper die 1 and the lower die 2 are closed, the upper die 1 drives the driving rod 72 to move downwards, and at the moment, the feeding block 4 moves towards a direction away from the supporting block 8 under the combined action of the driving inclined surface 73 and the driving rod 72. When the upper die 1 and the lower die 2 are separated, the upper die 1 drives the driving rod 72 to move upwards, and at the moment, the driving block 71 drives the feeding block 4 to reset under the elastic force of the driving spring 75.

Referring to fig. 6 and 7, the clamping mechanism 6 includes a clamping tube 61 horizontally slidably disposed in the feeding hole 5, and the clamping tube 61 is penetrated by the silver wire. One end of the clamping tube 61 far away from the supporting block 8 is integrally formed with a clamping block 62, a clamping hole 67 communicated with the clamping tube 61 penetrates through the clamping block 62, and the silver wire passes through the clamping hole 67.

Referring to fig. 6 and 7, a plurality of mounting holes 63 are uniformly formed in the clamping block 62 in a penetrating manner along the circumferential direction of the clamping block, a clamping column 64 is movably arranged in each mounting hole 63, and the circumferential side wall of each clamping column 64 is used for abutting against the silver wire. The clamping block 62 is in a circular truncated cone shape, the radius of one side, close to the clamping pipe 61, of the clamping block 62 is smaller than that of the other side of the clamping block, meanwhile, a tightening groove 65 matched with the clamping block 62 is formed in the port of one side, away from the supporting block 8, of the feeding hole 5, and the circumferential side wall of the clamping column 64 can be abutted to the inner wall of the tightening groove 65.

Referring to fig. 6 and 7, an installation groove 11 is formed in a port of the feeding hole 5 on the side away from the tightening groove 65, and a control spring 66 located in the installation groove 11 is sleeved on the clamping tube 61. One end of the clamping tube 61, which is far away from the clamping block 62, is threaded with the mounting ring 12, one end of the control spring 66 is abutted with the bottom of the mounting groove 11, and the other end is abutted with the mounting ring 12, and the control spring 66 is used for driving the clamping tube 61 to move towards the supporting block 8.

When the feeding block 4 slides away from the supporting block 8, the clamping block 62 drives the clamping tube 61 to move synchronously under the abutment of the inner wall of the tightening groove 65. At this moment, the clamping column 64 increasingly abuts against the silver wire under the abutting of the inner wall of the tightening groove 65, so that the silver wire is clamped, and then the clamping block 62 can pull the silver wire to move, so that the feeding operation of the silver wire is realized.

When the feedblock 4 slides in the direction of the support block 8, the gripping block 62 has a tendency to slide out of the tightening slot 65, while the side walls of the gripping post 64 have a tendency to separate from the inner walls of the tightening slot 65, thus causing the gripping post 64 to loosen the silver wire. Subsequently, the clamping tube 61 drives the clamping block 62 to reset under the action of the elastic force of the control spring 66, and the feeding operation of the silver wires can be realized by reciprocating.

Referring to fig. 6 and 8, the retaining mechanism 10 includes a retaining tube 101 horizontally slidably disposed in the support hole 9, and the retaining tube 101 is passed through by the silver wire. One end of the retaining pipe 101 close to the clamping pipe 61 is integrally formed with a retaining block 102, a retaining hole 107 communicated with the retaining pipe 101 penetrates through the retaining block 102 horizontally, and a silver wire penetrates through the retaining hole 107.

Referring to fig. 6 and 8, a plurality of yielding holes 103 are formed in the retaining block 102 in a penetrating manner along the circumferential direction of the retaining block, a retaining column 104 is movably arranged in each yielding hole 103, and the circumferential side wall of each retaining column 104 is used for abutting against the silver wire. The stopping block 102 is in a circular truncated cone shape, the radius of one side, close to the feeding block 4, of the stopping block 102 is larger than that of the other side of the stopping block, meanwhile, a bundling groove 105 matched with the stopping block 102 is formed in a port part, close to the feeding block 4, of the stopping hole 107, and the circumferential side wall of the stopping column 104 can be abutted to the inner wall of the bundling groove 105.

Referring to fig. 6 and 8, a port of the support hole 9 on the side away from the feeding block 4 is provided with a support groove 13, and an adjusting spring 106 positioned in the support groove 13 is sleeved on the backstop pipe 101. One end of the anti-return pipe 101, which is far away from the anti-return block 102, is threaded and sleeved with a support ring 14, one end of an adjusting spring 106 is abutted with the bottom of the support groove 13, the other end of the adjusting spring is abutted with the support ring 14, and the adjusting spring 106 is used for driving the anti-return pipe 101 to move towards the direction far away from the feeding block 4.

When the silver wire is fed, the retaining block 102 has a tendency of sliding out of the converging groove 105 under the driving of the silver wire, at the moment, the side wall of the retaining column 104 and the inner wall of the converging groove 105 have a separation tendency, so that the retaining columns 104 loosen the silver wire, and the silver wire can be fed stably. When the silver wire is pulled, the retaining column 104 increasingly supports the silver wire under the abutting of the inner wall of the converging groove 105, so that the silver wire is clamped, and the retaining of the silver wire is further realized.

Referring to fig. 7 and 8, when the retaining block 102 protrudes from the constricting channel 105, the retaining block 102 can push the clamp tube 61 to slide. When the end of the retaining block 102 protrudes from the constricting channel 105, the end of the clamping block 62 protrudes from the constricting channel 65, so that the silver wire is loosened and can be drawn out.

Referring to fig. 7 and 8, the size and shape of the clamping block 62 and the retaining block 102 are completely the same, the size and shape of the clamping tube 61 and the retaining tube 101 are completely the same, and the size and shape of the clamping column 64 and the retaining column 104 are completely the same, so that the parts can be interchanged, the production convenience can be improved, the production cost can be reduced, and the full utilization of resources can be realized.

Referring to fig. 9 and 10, a support frame 15 is fixedly connected to a side wall of the lower mold 2 at a discharge end side thereof, a pulling block 16 is horizontally slidably connected to a side wall of the support frame 15, and the pulling block 16 can move toward or away from the lower mold 2. Meanwhile, a pipe control 17 is arranged between the upper die 1 and the lower die 2, and the pipe control 17 is used for controlling the horizontal movement of the pulling block 16.

Referring to fig. 9 and 10, the side wall of the pulling block 16 is vertically slidably connected with two clamping blocks 18, the two clamping blocks 18 can be close to or far from each other, and the two clamping blocks 18 are used for clamping the copper plate. Meanwhile, a control member 19 is provided between the upper mold 1 and the lower mold 2, and the control member 19 serves to drive the two clamping blocks 18 to rapidly approach or separate from each other.

Referring to fig. 10 and 11, positioning columns 20 are respectively integrally formed on the sides of the two clamping blocks 18 close to each other, and the two positioning columns 20 can be jointly inserted into the guide holes of the copper plate, so that the two clamping blocks 18 can pull the copper plate to move stably, and further stable feeding of the copper plate is realized.

When feeding work is required for the copper slabs, the two clamping blocks 18 are driven close to each other by the control member 19, and the two clamping blocks 18 are caused to clamp the copper slabs together. Then, the control piece 17 drives the pulling block 16 to drive the two clamping blocks 18 to move towards the direction far away from the lower die 2, and then the two clamping blocks 18 can pull the copper plate to move together, so that the automatic feeding operation of the copper plate is realized.

Referring to fig. 10 and 11, the regulating member 17 includes a regulating block 172 fixedly coupled to a sidewall of the upper mold 1, and a regulating inclined surface 173 is integrally formed at a sidewall of the regulating block 172. Meanwhile, the pulling block 16 is abutted by the pipe control inclined surface 173, and when the upper die 1 drives the pipe control rod 171 to move upwards, the pulling block 16 can move towards a direction away from the lower die 2 under the action of the pipe control inclined surface 173.

Referring to fig. 10 and 11, a control spring 174 is disposed between the lower die 2 and the pulling block 16, one end of the control spring 174 is fixedly connected to the lower die 2, the other end of the control spring is fixedly connected to the pulling block 16, and the control spring 174 is used for controlling the pulling block 16 to move towards the lower die 2, so as to reset the pulling block 16 and other components.

When the upper die 1 and the lower die 2 are separated, the upper die 1 management and control block 172 moves upward, and at this time, the pulling block 16 moves toward a direction away from the lower die 2 under the pushing of the management and control inclined plane 173. When the upper die 1 and the lower die 2 are closed, the upper die 1 drives the control block 172 to move downwards and reset, and at the moment, the material pulling block 16 moves towards the lower die 2 and resets under the action of the elastic force of the control spring 174.

Referring to fig. 10 and 11, the control member 19 includes two control blocks 191 fixedly connected to the side walls of the supporting frame 15, respectively, and the two control blocks 191 are vertically distributed. The control inclined planes 192 are integrally formed at one ends of the two control blocks 191 close to the lower die 2, the two control inclined planes 192 are located at one sides of the lower die 2 and are far away from each other, the other sides of the two control inclined planes 192 are close to each other and are in a shape like a Chinese character 'ba', and meanwhile, the two control inclined planes 192 are respectively abutted to the corresponding material clamping blocks 18. When the two clamping blocks 18 are separated from the corresponding control slopes 192, respectively, and the two clamping blocks 18 slide along the control blocks 191, respectively, the two clamping blocks 18 clamp the copper plate together and pull the copper plate to move.

Referring to fig. 10 and 11, a return spring 193 is respectively disposed between the two control blocks 191 and the supporting frame 15, one end of the return spring 193 is fixedly connected with the supporting frame 15, the other end of the return spring 193 is fixedly connected with the material clamping block 18, and the two return springs 193 are used for controlling the two material clamping blocks 18 to move away from each other.

Referring to fig. 10 and 11, return inclined planes 194 are respectively integrally formed at ends of the two control blocks 191 far away from the lower die 2, the two return inclined planes 194 are located at one sides of the lower die 2 and close to each other, and the other sides are far away from each other and are shaped like a Chinese character 'ba', and meanwhile, the return inclined planes 194 are abutted by the corresponding material clamping blocks 18.

Referring to fig. 10 and 11, the two control blocks 191 are integrally formed with a reset inclined plane 195 on the sides away from each other, the two reset inclined planes 194 are located on the sides of the lower mold 2 away from each other, and the other sides are close to each other and form a "v" shape, and meanwhile, the reset inclined planes 195 are abutted by the corresponding material clamping blocks 18. When the return springs 193 are in a relaxed state, the grip blocks 18 can abut the respective control ramps 192, and the grip blocks 62 can disengage the respective return ramps 194.

When the upper die 1 and the lower die 2 are separated, the pulling block 16 drives the two clamping blocks 18 to move away from the lower die 2, and at this time, the two clamping blocks 18 approach each other under the action of the corresponding control slopes 192. When the two clamping blocks 18 respectively abut against the copper plate, the two clamping blocks 18 respectively disengage from the corresponding control slopes 192, and the two return springs 193 are respectively in a stretched state. As the movement of the pulling shoe 16 continues, the two clamping shoes 18 slide along the respective control blocks 191, at which point the two clamping shoes 18 clamp the copper slab together and the two clamping shoes 18 pull the copper slab together in movement.

When the copper plate moves by one station, the two clamping shoes 18 move along the corresponding return slopes 194, respectively, by the pull of the corresponding return springs 193, and then, the two clamping shoes 18 are separated from the corresponding return slopes 194, respectively. When the upper mold 1 and the lower mold 2 are closed, the pulling block 16 moves the two clamping blocks 18 toward the lower mold 2, the two clamping blocks 18 slide along the corresponding reset slopes 195, and the two reset springs 193 are in a compressed state, respectively.

When the pulling material block 16 and other components are reset, the two material clamping blocks 18 are separated from the corresponding reset inclined planes 195, and the two material clamping blocks 18 are moved close to each other and reset by the elastic force of the corresponding reset springs 193, so that the two material clamping blocks 18 are again abutted against the corresponding control inclined planes 192, and the reciprocating motion of the two material clamping blocks 18 is realized by reciprocating.

The implementation principle of the mold for producing the conductive contact piece is as follows: utilize driving piece 7 control pay-off piece 4 to slide towards the direction of keeping away from supporting shoe 8, at this moment, fixture 6 presss from both sides tight silver silk to make silver silk follow pay-off piece 4 synchronous motion, and then realize the pay-off of silver silk. When utilizing driving piece 7 control pay-off piece 4 to slide towards supporting shoe 8, this moment, fixture 6 loosens the silver silk to backstop mechanism 10 carries on spacingly to the silver silk. Subsequently, the clamping mechanism 6 and the silver wires slide relatively, then the clamping mechanism 6 and the feeding block 4 reset, and the reciprocating operation is realized, so that the automatic continuous feeding operation of the silver wires is realized, the workload of production personnel can be reduced, and the production efficiency can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould is used in conductive contact production, includes mould (1) and lower mould (2), its characterized in that: an accommodating groove (3) is formed in the upper surface of the lower die (2), a feeding block (4) is connected to the inside of the accommodating groove (3) in a horizontal sliding mode, a feeding hole (5) for silver wires to penetrate through is formed in the feeding block (4) in a penetrating mode, a supporting block (8) is fixedly connected to the upper end of the lower die (2), and a supporting hole (9) aligned with the feeding hole (5) is formed in the supporting block (8) in a penetrating mode;

a clamping mechanism (6) for clamping the silver wire is arranged in the feeding hole (5), a backstop mechanism (10) for limiting the withdrawal of the silver wire is arranged in the supporting hole (9), and a driving piece (7) for driving the supporting block (8) to horizontally move is arranged between the upper die (1) and the lower die (2);

when the feeding block (4) slides towards the direction far away from the supporting block (8), the clamping mechanism (6) can clamp the silver wires, and when the feeding block (4) slides towards the supporting block (8), the clamping mechanism (6) can release the silver wires.

2. The mold for producing conductive contact pieces according to claim 1, wherein: the clamping mechanism (6) comprises:

the clamping pipe (61) horizontally penetrates through the feeding hole (5) in a sliding mode, and the silver wires pass through the clamping pipe (61);

the clamping block (62) is fixed at one end, far away from the supporting block (8), of the clamping pipe (61), a clamping hole (67) for the silver wire to pass through is formed in the clamping block (62), and the clamping hole (67) is communicated with the clamping pipe (61);

a plurality of mounting holes (63) are formed and respectively penetrate through the clamping block (62), and the mounting holes (63) are uniformly distributed along the circumferential direction of the clamping block (62);

the clamping columns (64) are arranged in the corresponding mounting holes (63) and are movably arranged in the corresponding mounting holes respectively, and the circumferential side walls of the clamping columns (64) are used for abutting against the silver wires;

the control spring (66) is arranged in the feeding hole (5) and is used for driving the clamping pipe (61) to move towards a direction far away from the clamping block (62);

wherein, grip block (62) are the round platform form, grip block (62) are close to the radius of centre gripping pipe (61) one side is less than the radius of its opposite side, the port department of pay-off hole (5) be provided with grip block (62) tighten up groove (65) that agree with mutually, the circumference lateral wall of centre gripping post (64) can with tighten up the inner wall butt in groove (65).

3. The mold for producing conductive contact pieces according to claim 1, wherein: the driving piece (7) comprises a driving rod (72) vertically fixed at the bottom of the upper die (1), a driving block (71) fixed on the side wall of the feeding block (4), a driving inclined surface (73) arranged on the side wall of the driving block (71) and a driving spring (75) arranged in the accommodating groove (3), the driving inclined surface (73) is used for abutting against the lower end part of the driving rod (72), the feeding block (4) can move towards the direction far away from the supporting block (8) under the combined action of the driving inclined surface (73) and the driving rod (72), and the driving spring (75) is used for controlling the driving block (71) to move towards the supporting block (8).

4. The mold for producing conductive contact pieces according to claim 3, wherein: the lower end of the driving rod (72) is provided with a guide inclined plane (74), the guide inclined plane (74) is abutted to the driving inclined plane (73), and the guide inclined plane (74) is matched with the driving inclined plane (73).

5. The mold for producing conductive contact pieces according to claim 2, wherein: the retaining mechanism (10) comprises:

the anti-return pipe (101) is horizontally and slidably arranged in the supporting hole (9) in a penetrating way, and the anti-return pipe (101) is used for silver wires to pass through;

the retaining block (102) is fixed at one end, close to the clamping tube (61), of the retaining tube (101), the retaining block (102) is provided with a retaining hole (107) for a silver wire to pass through, and the retaining hole (107) is communicated with the retaining tube (101);

the abdicating holes (103) are arranged in a plurality and penetrate through the retaining block (102) respectively, and the abdicating holes (103) are uniformly distributed along the circumferential direction of the retaining block (102);

the retaining columns (104) are arranged and movably arranged in the corresponding abdicating holes (103) respectively, and the circumferential side walls of the retaining columns (104) are used for abutting against the silver wires;

the adjusting spring (106) is arranged in the supporting hole (9) and is used for driving the retaining pipe (101) to move towards the direction away from the retaining block (102);

wherein, stopping block (102) is the round platform form, stopping block (102) are close to the radius of centre gripping pipe (61) one side is less than the radius of its opposite side, the port department in stopping hole be provided with the receipts that stopping block (102) agree with are restrainted groove (105) mutually, the circumference lateral wall of stopping post (104) can with the inner wall butt in receipts bundle groove (105).

6. The mold for producing conductive contact pieces according to claim 5, wherein: when the retaining block (102) extends out of the restraining groove (105), the retaining block (102) can push the clamping tube (61) to slide.

7. The mold for producing conductive contact pieces according to claim 1, wherein: one side that lower mould (2) are located its discharge end is fixed with support frame (15), the lateral wall horizontal sliding connection of support frame (15) has material pulling block (16), the vertical sliding connection of lateral wall that material pulling block (16) has material clamping block (18), two material clamping block (18) are used for pressing from both sides tight copper, go up mould (1) with be provided with pipe control (17) and control (19) between lower mould (2), pipe control (17) are used for control material pulling block (16) horizontal motion, control (19) are used for driving two material clamping block (18) are close to each other or keep away from.

8. The mold for producing conductive contact pieces according to claim 7, wherein: pipe control (17) including be fixed in go up management and control block (172) of mould (1) lateral wall, set up in management and control inclined plane (173) of management and control block (172) lateral wall and set up in lower mould (2) with management and control spring (174) between material pulling block (16), material pulling block (16) confession management and control inclined plane (173) butt, work as when going up mould (1) upward movement, material pulling block (16) can keep away from towards under the effect on management and control inclined plane (173) the direction motion of lower mould (2), management and control spring (174) are used for control material pulling block (16) orientation lower mould (2) motion.

9. The mold for producing conductive contact pieces according to claim 8, wherein: the control member (19) comprises:

the control blocks (191) are provided with two and are respectively fixed on the side walls of the support frame (15);

the two control inclined surfaces (192) are respectively arranged on the corresponding control blocks (191), the control inclined surfaces (192) are arranged at one ends, close to the lower die (2), of the control blocks (191), the two control inclined surfaces (192) are arranged at one side of the lower die (2) and are far away from each other, and the control inclined surfaces (192) are used for the corresponding clamping blocks (18) to abut against;

two return springs (193) are arranged and are respectively positioned between the supporting frame (15) and the corresponding control block (191), and the two return springs (193) can control the two clamping blocks (18) to be away from each other;

the two return inclined planes (194) are arranged and are respectively positioned on the corresponding control blocks (191), the return inclined planes (194) are positioned at one ends, far away from the lower die (2), of the control blocks (191), the two return inclined planes (194) are positioned at one sides of the lower die (2) and are close to each other, and the corresponding clamping blocks (18) are abutted by the return inclined planes (194);

the two reset inclined planes (195) are arranged and are respectively positioned on the corresponding control blocks (191), the reset inclined planes (195) are positioned on the sides, away from each other, of the two control blocks (191), the two reset inclined planes (194) are positioned on the sides, away from each other, of the lower die (2), and the reset inclined planes (195) are used for the corresponding clamping blocks (18) to abut against;

wherein, when the return spring (193) is in a relaxed state, the gripping block (18) is capable of abutting the respective control ramp (192) and the gripping block (62) is capable of disengaging the respective return ramp (194).

10. The mold for producing conductive contact pieces according to claim 9, wherein: and positioning columns (20) are respectively fixed on one sides of the two clamping blocks (18) close to each other, and the two positioning columns (20) can be jointly inserted into the guide holes of the copper plate.